controversy over the obama administration's use of drone missiles. the document concludes the u.s. can order the killing of american citizens abroad if they're believed to be senior operational leaders of al qaeda. now opponents say the policy goes way too far. what do you think? should the government be given wide berth when it comes to national security? or does this policy violate civil liberties? you can tell us what you think on the "nightline" facebook page or tweet us at "nightline."